body{
    margin:0;
    padding: 0;
    text-align: center;
    position: relative;
}
#bird {
    position: absolute;
    border: 1px black solid;
    border-radius: 100%;
    bottom: 0;
}

#startGame,#restart{
    border-radius: 5%;
    text-align: center;
    font-family: fantasy;
    font-size: 1em;
    color: #333333;
    display: inline-block;
    padding: 3% 3%;
    width: 30%;
    background-color: #656565;
    text-decoration: none;
    margin:0 3% 4% 3%;
}
#flyBtn{
    background-color: #da8c0f;
    color: #f2f2f2;
    border-radius: 5%;
    text-align: center;
    font-family: fantasy;
    font-size: 1.6em;
    padding: 4.5% 4.5%;
    width: 70%;
    margin:0 auto;
}
/*.button{*/
    /*background-color: #da8c0f;*/
    /*color: #f2f2f2;*/
    /*cursor: pointer;*/
/*}*/
#score{
    margin:3% auto;
    display: inline-block;
    color: orangered;
    font-family: fantasy;
    font-weight: bold;
    font-size: 2em;
    position: relative;

}
.upBox{
    position: absolute;
    border: 3px solid black;
    border-top:none;
    height: 0;
}
.downBox{
    position: absolute;
    top: 0;
    border: 3px solid black;
    border-bottom: none;
}
#display{
    position: relative;
    border: 1px solid black;
    border-left: 0;
    border-right: 0;
    height: 0;
    overflow: hidden;
    margin:1% auto 3% auto;
    width: 0;
}
#board{
    font-size: 1.7em;
    font-family:fantasy;
    position: fixed;
    color: #fffbf9;
    font-weight: bold;
    text-align: center;
    left: 0;
    width: 0;
    height: 0;
    line-height:normal;
    opacity: 0.7;
    background-color: #000000;
    word-wrap: normal;
    overflow: auto;
    visibility: hidden;
    z-index: 2;
}